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Dr David Worthington

Senior Lecturer

  1. 2023
  2. Published

    Cost of treatment support for multidrug-resistant tuberculosis using patient-centred approaches in Ethiopia: a model-based method

    Rosu, L., Morgan, L., Tomeny, E. M., Worthington, C., Jin, M., Nidoi, J. & Worthington, D., 7/07/2023, In: Infectious diseases of poverty. 12, 1, 65.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  3. E-pub ahead of print

    A Spline Function Method for Modelling and Generating a Nonhomogeneous Poisson Process

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 19/06/2023, (E-pub ahead of print) In: Journal of Simulation. 12 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  4. Published

    Simulation For Evaluating Long-term Maintenance Plans For Complex Systems

    Rhodes-Leader, L., Worthington, D., Griffiths, I. & Samartzis, P., 31/03/2023, Proceedings of the 11th Operational Research Society Simulation Workshop (SW23). Currie, C. & Rhodes-Leader, L. (eds.). Operational Research Society, p. 272-282 11 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  5. Published

    To what extent can simulation optimisation be used in wildlife conservation?

    Zhou, S., Worthington, D., Rhodes-Leader, L. & Williams, R., 27/03/2023, Proceedings of the Operational Research Society Simulation Workshop 2023 (SW23). Operational Research Society, Vol. 1. p. 285

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNAbstract

  6. 2022
  7. Published

    A multi-fidelity modelling approach for airline disruption management using simulation

    Rhodes-Leader, L., Nelson, B., Onggo, S. & Worthington, D., 31/10/2022, In: Journal of the Operational Research Society. 73, 10, p. 2228-2241 14 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  8. 2020
  9. Published

    Infinite-server queueing models of demand in healthcare: A review of applications and ideas for further work

    Worthington, D., Utley, M. & Suen, D., 1/08/2020, In: Journal of the Operational Research Society. 71, 8, p. 1145-1160 16 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  10. Published

    A Spline-based Method for Modelling and Generating a Nonhomogeneous Poisson Process

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 20/02/2020, Proceedings of the 2019 Winter Simulation Conference. IEEE Press, 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  11. 2019
  12. Published

    Detecting bias due to input modelling in computer simulation

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 16/12/2019, In: European Journal of Operational Research. 279, 3, p. 869-881 13 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  13. E-pub ahead of print

    Symbiotic simulation for the operational management of inpatient beds: model development and validation using Δ-method

    Oakley, D., Onggo, B. S. & Worthington, D., 3/06/2019, (E-pub ahead of print) In: Health Care Management Science. 17 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  14. Published

    Multi-fidelity simulation optimisation for airline disruption management

    Rhodes-Leader, L., Worthington, D. J., Nelson, B. L. & Onggo, B. S. S., 4/02/2019, 2018 Winter Simulation Conference (WSC). IEEE, p. 2179-2190 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  15. 2018
  16. Published

    Airline Disruption Recovery Using Symbiotic Simulation and Multi-fidelity Modelling

    Rhodes-Leader, L., Onggo, B. S. S., Worthington, D. J. & Nelson, B. L., 19/03/2018, Proceedings of the 9th Operational Research Society Simulation Workshop (SW18). Operational Research Society, p. 146-155 10 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  17. 2017
  18. Published

    Detecting bias due to input modelling in computer simulation

    Morgan, L., Nelson, B. L., Titman, A. C. & Worthington, D. J., 3/12/2017, 2017 Winter Simulation Conference (WSC). Piscataway, NJ, USA: IEEE Press, p. 1974-1985 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  19. Published

    Staffing of time-varying queues using a geometric discrete time modelling approach

    Chen, X. & Worthington, D. J., 05/2017, In: Annals of Operations Research. 252, 1, p. 63-84 22 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  20. 2016
  21. Published

    Input uncertainty quantification for simulation models with piecewise-constant non-stationary Poisson arrival processes

    Morgan, L., Titman, A. C., Worthington, D. J. & Nelson, B. L., 11/12/2016, WSC '16 Proceedings of the 2016 Winter Simulation Conference . Piscataway, NJ, USA: IEEE Press, p. 370-381 12 p. (WSC '16 Proceedings of the Winter Simulation Conference).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  22. Published

    A modelling tool for capacity planning in acute and community stroke services

    Monks, T., Worthington, D. J., Allen, M., Pitt, M., Stein, K. & James, M. A., 29/09/2016, In: BMC Health Services Research. 16, 8 p., 530.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  23. 2015
  24. Published

    Use of queue modelling in the analysis of elective patient treatment governed by a maximum waiting time guarantee

    Kozlowski, D. & Worthington, D., 1/07/2015, In: European Journal of Operational Research. 244, 1, p. 331-338 8 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  25. 2014
  26. Published

    Effects of state-dependent balking on multi-server non-stationary queueing systems

    Chassioti, E., Worthington, D. J. & Glazebrook, K. D., 03/2014, In: Journal of the Operational Research Society. 65, 2, p. 278-290 13 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  27. 2013
  28. Published

    Stakeholder saliency dynamics in strategic ICT projects

    Al-Ghaith, T., Brown, D. & Worthington, D., 1/12/2013, 19th Americas Conference on Information Systems, AMCIS 2013 - Hyperconnected World: Anything, Anywhere, Anytime. p. 3056-3065 10 p. (19th Americas Conference on Information Systems, AMCIS 2013 - Hyperconnected World: Anything, Anywhere, Anytime; vol. 4).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  29. Published

    Stakeholder dynamics in strategic ICT projects: appreciative systems perspective.

    Al-Ghaith, T., Brown, D. & Worthington, D., 10/09/2013. 6 p.

    Research output: Contribution to conference - Without ISBN/ISSN Conference paperpeer-review

  30. Published

    Stakeholder dynamics in strategic ICT projects

    Al-Ghaith, T., Brown, D. & Worthington, D., 15/08/2013. 6 p.

    Research output: Contribution to conference - Without ISBN/ISSN Conference paperpeer-review

  31. 2012
  32. Published

    Will delays in treatment jeopardize the population benefit from extending the time window for stroke thrombolysis?

    Pitt, M., Monks, T., Agarwal, P., Worthington, D., Ford, G., Lees, K., Stein, K. & James, M., 11/2012, In: Stroke. 43, 11, p. 2992-2997 6 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  33. Published

    Behavioural Modelling of Career Progression in the European Commission

    Onggo, S., Soopramanien, D., Pidd, M. & Worthington, D., 2012, In: European Journal of Operational Research. 222, 3, p. 632–641 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  34. Published

    Capacity Planning

    Worthington, D. & Utley, M., 2012, Handbook of Healthcare System Scheduling. Hall, R. W. . (ed.). New York: Springer, p. 11-30 20 p. (International Series in Operations Research & Management Science; no. 168).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter (peer-reviewed)

  35. Unpublished
  36. Published

    Setting Staffing Requirements for Time Dependent Queueing Networks: The Case of Accident and Emergency Departments

    Izady, N. & Worthington, D., 2012, In: European Journal of Operational Research. 219, 3, p. 531-540 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

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